[MacPorts] #53113: expected boolean value but got ""no""

[MacPorts]

#53113: expected boolean value but got ""no""
------------------------+--------------------
 Reporter:  ryandesign  |      Owner:
     Type:  defect      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  base        |    Version:  2.3.99
 Keywords:              |       Port:
------------------------+--------------------
 I used to be able to disable ccache for a single port build by adding
 `configure.ccache=no` to the command line invocation, but with the latest
 base code I now get an error:

 {{{
 sudo port -s install php53-vld configure.ccache=no
 --->  Cleaning php53-vld
 --->  Computing dependencies for php53-vld
 Error: expected boolean value but got ""no""
 Error: See /opt/local/var/macports/logs/_Users_rschmidt_macports_macports-
 ports_php_php-vld/php53-vld/main.log for details.
 Error: Follow https://guide.macports.org/#project.tickets to report a bug.
 Error: Processing of port php53-vld failed
 }}}

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Ticket URL: <https://trac.macports.org/ticket/53113>
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